observer's military vehicles directory observer's military vehicles directory from 1945 / research and ed. by Bart Harmannus Vanderveen [and] Olyslager Organisation the observers series Observers aircraft / William Green ; with silhouettes by Dennis Punnett observer's basic military aircraft directory / comp. by William Green and Gordon Swanborough Soldiers of the queen cavalry observer's fighting vehicles directory observer's fighting vehicles directory, World War 2 / research and ed. by Bart Hartmannus Vanderveen Commanders of the British army : Lord Kitchener army quarterly series N.A.T.O. and its prospects / J.D. Warne ; [préface par C.N. Barclay.] Reporting Nuclear Detonations, Biological and Chemical Attacks, and Predicting and Warning of Associated Hazards and Hazard Areas. ATP 45 (A) Vol I/Vol II. Covered by … Rifle volunteers : how to organize and drill them / by Hans Busk Flags of the world : past and present : their story and associations / W.J. Gordon wonder toy books (soldier series) Soldiers of the Queen Infantry observer's pocket series observer's book of firearms / [by] Nicholas Du Quesne-Bird